{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In silico analysis , molecular docking model indicated that a tetrapyrrole macrocycle and two propionate chains within PPIX are necessary for the binding to the adenosine triphosphate ( ATP ) - binding pocket of HSP90 ."}
{"Chemical": ["tetrapyrrole macrocycle", "propionate", "PPIX", "adenosine triphosphate", "ATP"]}